期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 20, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/ijms20123044
关键词
bHLH family; Carthamus tinctorius; gene expression; flavonoid biosynthesis; subcellular localization
资金
- National Natural Science Foundation of China [31501366, 31771868]
- Science and Technology Development Project of Jilin Province [20190201175JC, 20190201172JC, 20150623024TC-11]
- 13th Five-Year Plan of Science and Technology Project of Jilin [JJKH20190918KJ]
The basic helix-loop-helix (bHLH) family is the second largest superfamily of transcription factors that belongs to all three eukaryotic kingdoms. The key function of this superfamily is the regulation of growth and developmental mechanisms in plants. However, the bHLH gene family in Carthamus tinctorius has not yet been studied. Here, we identified 41 bHLH genes in Carthamus tinctorius that were classified into 23 subgroups. Further, we conducted a phylogenetic analysis and identified 10 conserved protein motifs found in the safflower bHLH family. We comprehensively analyzed a group of bHLH genes that could be associated with flavonoid biosynthesis in safflower by gene expression analysis, gene ontology annotation, protein interaction network prediction, subcellular localization of the candidate CtbHLH40 gene, and real-time quantitative expression analysis. This study provides genome-wide identification of the genes related to biochemical and physiological processes in safflower.
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